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Re: Buffer overflow prevention
From: Crispin Cowan (crispinimmunix.com)
Date: Wed Aug 13 2003 - 18:33:43 CDT
Patrick Dolan wrote:
>There is a flag for the Gnu C/C++ compilers, -fstack-protector, that will
>implement ProPolice stack protection. It should prevent stack smashing
That is not actually in the standard GCC; it is in a forked GCC that
OpenBSD chooses to ship.
We (Immunix) are in the process of trying to make StackGuard (the
original) meet all of the criteria required for acceptance into GCC. At
the GCC Summit <http://www.gccsummit.org/2003/> in May, we presented a
<http://www.gccsummit.org/2003/view_abstract.php?talk=31> on that topic.
Crispin Cowan, Ph.D. http://immunix.com/~crispin/
Chief Scientist, Immunix http://immunix.com